THE MINERAL WHITLOCKITE

Whitlockite is a rare phosphate mineral.
It was first discovered at the famous phosphate locality - the Palermo Mine, North Groton, Grafton Co., New Hampshire.
It can form small, but distinct and well formed crystals.

PHYSICAL CHARACTERISTICS:

Color is gray, yellowish, white or colorless.

Luster is vitreous.

Transparency: specimens are transparent to translucent.

Crystal System: is trigonal; 3 m

Crystal Habits include rhombohedral and tabular crystals.

Cleavage is absent.

Fracture is uneven.

Hardness is 5.

Specific Gravity is approximately 3.1 (average for translucent minerals)